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公开(公告)号：US20200130285A1
公开(公告)日：2020-04-30
申请号：US16726692
申请日：2019-12-24
发明人： CHARLES WELCH
摘要： A maple sap line system and method for spin welding provides secure, unobstructed lines for collecting sap by creating a hermetically sealed connection between a lateral line and a mainline. A fitting connects the mainline to the lateral line. The fitting is spin welded to the mainline at a contact interface. The fitting comprises a protruding member that easily melts to create the frictional weld. The fitting has an elongated body comprising barbs that receive the lateral line. The fitting has a channel that enables fluid communication between the mainline and the lateral line. The flanges in the fitting register with a chuck to rotate the fitting against the main line at a high rpm. Molten debris formed in the channel is dislodged by drilling with a collared drill. The drilling provides fluid communication and creates a smooth inner surface in the mainline, and cuts off flanges from the fitting.
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公开(公告)号：US20180043623A1
公开(公告)日：2018-02-15
申请号：US15496064
申请日：2017-04-25
发明人： CHARLES WELCH
CPC分类号： B29C65/0672 , A01G23/14 , B29C65/069 , B29C65/7451 , B29C65/7457 , B29C65/749 , B29C65/7841 , B29C66/112 , B29C66/114 , B29C66/131 , B29C66/30223 , B29C66/53241 , B29C66/71 , B29C66/7392 , B29C66/861 , B29C66/8618 , B29C2793/0045 , B29C2793/009 , B29K2023/065 , B29K2023/0641 , B29K2023/0633
摘要： A maple sap line system and method for spin welding provides secure, unobstructed lines for collecting sap by creating a hermetically sealed connection between a lateral line and a mainline. A fitting connects the mainline to the lateral line. The fitting is spin welded to the mainline at a contact interface. The fitting comprises a protruding member that easily melts to create the frictional weld. The fitting has an elongated body comprising barbs that receive the lateral line. The fitting has a channel that enables fluid communication between the mainline and the lateral line. The flanges in the fitting register with a chuck to rotate the fitting against the main line at a high rpm. Molten debris formed in the channel is dislodged by drilling with a collared drill. The drilling provides fluid communication and creates a smooth inner surface in the mainline, and cuts off flanges from the fitting.
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